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一元二次方程求根公式
Author:
梁航宇
GeoGebra
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國旗 (Claude 版)
近似值：有效數字
幾何作圖題：切三圓（題目）
世界平面地圖 (Codex╱2026.10.07)
Nested spiral octagon
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圓交與公切線
三節棍1060317
勝者即正義，可愛即正義～(可用Ctrl+滑鼠滾輪放大界面)
旁心
S3 Ch4.1 立體圖形(3D圖) - 十字形棱柱(ViewB)
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Surface
Cylinder
Curve Sketching
Special Points
Stochastic Process or Random Process